Yes, both Offer18 and TUNE offer a Free Trial.
Offer18 is designed for Large Enterprises, Medium Business and Small Business.
TUNE is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Offer18 Starts at $49/Month whereas for TUNE Starts at $1,500/Month.
Some top alternatives to Offer18 includes AffTrack, Post Affiliate Pro, TrackingDesk, Refersion, Affiliatise, TUNE, OffersHub, Affiliatics, Evotrack and Trackdesk.
Some top alternatives to TUNE includes Affise, AffTrack, Refersion, Affiliatise, OffersHub, Target Circle, Promocate, Affiliatics, Sir Filiate and Trackdesk.